}
    }
    void doConnect() throws IOException {
        SmbTransport trans;
        UniAddress addr;

        addr = getAddress();
        if (tree != null) {
            trans = tree.session.transport;
        } else {
            trans = SmbTransport.getSmbTransport(addr, url.getPort());
            tree = trans.getSmbSession(auth).getSmbTree(share, null);
        }